How is reverse (inclusive) GST calculated to find the base price?

To remove GST from an inclusive price: Base Pre-Tax Price = Total Amount ÷ (1 + GST Rate / 100). Total GST = Total Amount - Base Pre-Tax Price. For example, removing 18% GST from ₹11,800 gives a base price of ₹10,000.

What is the difference between CGST, SGST, and IGST?

For intra-state sales within the same state, GST is split equally between CGST (Central) and SGST (State). For inter-state sales across state borders, IGST (Integrated GST) applies at the full tax rate.

What are the standard GST tax slabs in India?

The primary standard GST rates in India are 0% (essential goods), 5% (daily necessities), 12% (standard rate 1), 18% (standard rate 2 & most services), and 28% (luxury & demerit goods).

Can businesses claim Input Tax Credit (ITC) on GST paid?

Yes, registered businesses can claim Input Tax Credit (ITC) for GST paid on eligible business purchases and input services to offset their output GST liability.

GST Invoice Breakdown

18% GST on ₹10,000: Tax Amount, CGST, SGST & Total Invoice Price

Calculating 18% GST added to a base price of ₹10,000. Total tax is ₹1,800 making the total invoice price ₹11,800.

Final Gross Invoice Amount

₹11,800

Base + Total GST

Net Pre-Tax Base Price

₹10,000

Before GST application

Total GST Amount (18%)

₹1,800

CGST: ₹900 + SGST: ₹900

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Tax Invoice Itemized Breakdown (18% GST)

Intra-state (CGST + SGST) vs Inter-state (IGST) split.

Live Math Engine

Component	Rate	Computed Amount	Description
Base Net Price	—	₹10,000	Cost of goods / services
CGST (Central GST)	9%	₹900	Central Government share (Intra-state)
SGST (State GST)	9%	₹900	State Government share (Intra-state)
IGST (Integrated GST)	18%	₹1,800	For Inter-state supply across state borders
Total Gross Invoice Amount	18%	₹11,800	Final Bill Payable

Calculate GST on Any Other Amount

TAX SALARYInteractive Tool

GST Calculator – Add or Remove GST

Calculate GST amounts for 5%, 12%, 18%, and 28% tax slabs. Add GST to net prices or calculate reverse pre-tax base prices with CGST, SGST, and IGST splits.

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Interactive Inputs

Net Base Price (Excluding Tax)

₹

₹100₹10 Thousand₹10,00,000

GST Rate Slab

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Total Gross Price (Incl. GST)

₹11,800

Total GST Component: ₹1,800 (18%)

Net Base Amount₹10,000

Total GST Component₹1,800

CGST (Central GST)₹9009.0% split

SGST (State GST)₹9009.0% split

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GST Slabs Comparison on ₹10,000

GST Slab	Net Base	CGST	SGST	Total Invoice Price
0% GST	₹10,000	₹0	₹0	₹10,000
5% GST	₹10,000	₹250	₹250	₹10,500
12% GST	₹10,000	₹600	₹600	₹11,200
18% GST (Selected)	₹10,000	₹900	₹900	₹11,800
28% GST	₹10,000	₹1,400	₹1,400	₹12,800

How This Calculation Works (Mathematical Formula)

GST = (Amount × Rate) / 100 [Add] | Base = Amount / (1 + Rate/100) [Remove]

Calculates total invoice price for buyers or base invoice amount and tax breakdown for business sellers.

Frequently Asked Questions

To add GST: GST Amount = (Base Amount × GST Rate) ÷ 100. The total gross invoice = Base Amount + GST Amount. For example, 18% GST on ₹10,000 = ₹1,800, making the total ₹11,800.

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Direct Answers

18% GST on ₹10,000: Tax Amount, CGST, SGST & Total Invoice Price

Calculate 18% GST added to ₹10,000. Total GST is ₹1,800 (₹900 CGST + ₹900 SGST) making the final gross invoice ₹11,800.

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18% GST on ₹50,000: Tax Breakdown, CGST, SGST & Final Price

Find exact 18% GST on ₹50,000 in India. Base amount ₹50,000 + GST ₹9,000 (CGST ₹4,500 + SGST ₹4,500) = Total ₹59,000.

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18% Reverse GST on ₹10,000 Inclusive: Pre-Tax Base Price & GST Paid

Remove 18% GST from a total inclusive price of ₹10,000. Base pre-tax price is ₹8,474.58 and total GST component is ₹1,525.42.

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18% Reverse GST on ₹50,000 Inclusive: Pre-Tax Value & GST Component

Calculate reverse 18% GST for ₹50,000 inclusive amount. Original pre-tax cost is ₹42,372.88 with ₹7,627.12 total GST (CGST/SGST ₹3,813.56 each).

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